CN103059805B - Organic fiber friction material composition for brake pad - Google Patents
Organic fiber friction material composition for brake pad Download PDFInfo
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- CN103059805B CN103059805B CN201210427340.3A CN201210427340A CN103059805B CN 103059805 B CN103059805 B CN 103059805B CN 201210427340 A CN201210427340 A CN 201210427340A CN 103059805 B CN103059805 B CN 103059805B
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- 239000000835 fiber Substances 0.000 title claims abstract description 56
- 239000002783 friction material Substances 0.000 title claims abstract description 22
- 239000000203 mixture Substances 0.000 title claims abstract description 13
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011491 glass wool Substances 0.000 claims abstract description 13
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 12
- 239000004917 carbon fiber Substances 0.000 claims abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 11
- 229920000297 Rayon Polymers 0.000 claims abstract description 11
- 229920002678 cellulose Polymers 0.000 claims abstract description 11
- 239000001913 cellulose Substances 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 11
- YPMOSINXXHVZIL-UHFFFAOYSA-N sulfanylideneantimony Chemical compound [Sb]=S YPMOSINXXHVZIL-UHFFFAOYSA-N 0.000 claims abstract description 11
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004327 boric acid Substances 0.000 claims abstract description 10
- 239000002008 calcined petroleum coke Substances 0.000 claims abstract description 10
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 10
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 10
- 239000010455 vermiculite Substances 0.000 claims abstract description 10
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 10
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000010428 baryte Substances 0.000 claims abstract description 4
- 229910052601 baryte Inorganic materials 0.000 claims abstract description 4
- 239000004760 aramid Substances 0.000 claims description 10
- 229920003235 aromatic polyamide Polymers 0.000 claims description 10
- 229910052845 zircon Inorganic materials 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 239000004113 Sepiolite Substances 0.000 claims description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 229920003987 resole Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 229920003043 Cellulose fiber Polymers 0.000 abstract 1
- 229920006231 aramid fiber Polymers 0.000 abstract 1
- -1 boric acid modified phenolic resin Chemical class 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000005562 fading Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 206010003694 Atrophy Diseases 0.000 description 2
- 230000037444 atrophy Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001529246 Platymiscium Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004078 cryogenic material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The invention relates to an organic fiber friction material composition for a brake pad, which is prepared from the following components in parts by weight: 3-7 parts of chromite, 4-8 parts of barite, 5.5-7 parts of calcined petroleum coke, 3-6 parts of flaky graphite, 10-14 parts of boric acid modified phenolic resin, 3-6 parts of meerschaum fiber, 4-7 parts of ceramic fiber, 1.5-3 parts of antimony sulfide, 4-7 parts of bronze powder, 3-5 parts of glass wool, 1-2.5 parts of zirconite, 6-10 parts of flaky potassium titanate, 8-11 parts of vermiculite powder, 1-2.5 parts of carbon fiber, 4-6 parts of aramid fiber pulp, 1-2.5 parts of wood pulp cellulose, 3-6 parts of viscose fiber, 6-9 parts of silicon carbide and 6-10 parts of cellulose fiber. The invention has the advantages of small specific gravity, high wear resistance, favorable toughness, low noise, long service life and the like. The glass wool, bronze powder and other heat dissipation materials added in the formula can effectively perform the functions of heat insulation and heat dissipation.
Description
Technical field
The present invention relates to a kind of automobile brake sheet, especially relate to a kind of Organic fiber friction material composition for brake facing.
Background technology
In today of automotive industry fast development, safety, the environmental protection of vehicle are particularly important, improve constantly the new demand of automobile brake sheet.Automobile brake sheet, operationally by bearing extraneous pressure, producing friction, making vehicle reach the object of deceleration.Therefore, the wear-resisting and resistance toheat of the material of brake facing is very important.The research of China's brake facing is more late than abroad starting to walk, and also has larger gap with World Developed Countries.Some brake facing manufacturers, are still in traditional asbestos brake lining epoch, have not met the requirement of modern automobile industry.
And the semi-metal occurred in the market or micro-metal brake pad have a lot of deficiency, as under wet weather, brake facing easily gets rusty, and does not use for a long time, easily causes brake system locking.In addition, when semi-metal or micro-metal brake pad brake, noise is higher, damages larger to brake drum or retarding disc.And easily produce dust, these dust adsorption also accumulate on wheel hub, easily cause wheel hub to corrode.
Although organic fibre brake pad can solve the problem, existing organic fibre brake pad heat radiation, wear resisting property are not fine, and under low temperature or high-temperature condition, its frictional behaviour changes greatly, and repeatedly may occur after braking braking atrophy.
Summary of the invention
The present invention mainly solves the heat radiation of existing organic materials brake facing, wear resisting property is bad, under low temperature or high-temperature condition, and the frictional behaviour change technical problem such as greatly.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of Organic fiber friction material composition for brake facing, and said composition is made up by weight of following component:
Chromite 3 ~ 7 parts, 4 ~ 8 parts, barite, calcined petroleum coke 5.5 ~ 7 parts, crystalline flake graphite 3 ~ 6 parts, 10 ~ 14 parts, boric acid modified resol, sepiolite fibre 3 ~ 6 parts, ceramic fiber 4 ~ 7 parts, antimony sulfide 1.5 ~ 3 parts, bronze powder 4 ~ 7 parts, glass wool 3 ~ 5 parts, zircon 1 ~ 2.5 part, phosphorus sheet potassium titanate 6 ~ 10 parts, vermiculite power 8 ~ 11 parts, 1 ~ 2.5 part, carbon fiber, aramid pulp 4 ~ 6 parts, wood pulp cellulose 1 ~ 2.5 part, viscose fiber 3 ~ 6 parts, 6 ~ 9 parts, silicon carbide, cellulosic fibre 6 ~ 10 parts.
The optimum ratio of above-mentioned composition is: chromite powder 5 parts, ground barium sulfate 4 parts, calcined petroleum coke 6.5 parts, crystalline flake graphite 4.5 parts, 12 parts, boric acid modified resol, sepiolite fibre 5 parts, ceramic fiber 7 parts, antimony sulfide 2 parts, bronze powder 6 parts, glass wool 4 parts, zircon 1.5 parts, phosphorus sheet potassium titanate 7.3 parts, vermiculite power (20 ~ 40 order) 9 parts, 1.7 parts, carbon fiber, aramid pulp 5 parts, wood pulp cellulose 2 parts, viscose fiber 3 parts, 6 parts, silicon carbide, cellulosic fibre 8 parts.
In the present invention, chromite plays a part adjustment friction in friction materials.Barite, as a kind of filler, can stablize frictional strength and the weather resistance of friction materials.And add certain calcining coke than row in friction materials and graphite can make friction materials have perfect over-all properties, be conducive to preventing metal from adhering, raising frictional behaviour.In addition, the empty rate of gas of coke is higher, improves the frictional coefficient of friction materials, decreases brake noise, alleviate the heat fading of friction materials during high temperature.
Ceramic fiber is a kind of fibrous light refractory materials, have lightweight, high temperature resistant, Heat stability is good, thermal conductivity are low, specific heat is little and the advantage such as mechanical resistant vibrations.The oxidizing fire of material when antimony sulfide can prevent high temperature, keeps the friction stability of material, improves the ability of anti-burning of material; Organic binder bond decomposition rate when high temperature can also be reduced, improve the work-ing life of material.
Bronze powder has the characteristics such as high temperature resistant, intensity is large as a kind of friction materials, improves friction materials in the stability manufactured and in use procedure.
The air void small in a large number that glass wool has, makes it play the effects such as heat insulating, sqouynd absorption lowering noise and safety precaution; And it has the characteristics such as antibacterial and mouldproof, ageing-resistant, corrosion-resistant, stable chemical performance.
Zircon is as a kind of refractory materials, and structure properties is stablized.Character of heat-fading and the swelling property of other cryogenic materials in material can be effectively reduced.
Aramid pulp is used for friction materials and stablizes and the pucker & bloat reducing material improves braking ability; The corrosion of friction material surface, particularly steel fiber etc. can be avoided affected by environment and the electrochemical corrosion of generation, it easily produces higher void content during fabrication simultaneously, can reduce brake noise.
Carbon fiber has good intensity wear resistance, acid resistance, with the friction materials not easy fracture of carbon fiber as fortifying fibre, wear-resisting, stable friction performance during high temperature.
Viscose fiber is used as friction materials fortifying fibre, exchanges frictional behaviour and the void content of whole timber material, prevents the vitrifaction of some material obvious.
Wood pulp cellulose, as a kind of binding agent, can help various raw material to be evenly distributed among mixing material, and the bonding force strengthened between various raw material bears the effect of mesh skeleton in brake facing system well.
Silicon carbide has corrosion-resistant, high temperature resistant, the characteristic such as intensity is large, heat conductivility is good, shock resistance, stable chemical performance, thermal conductivity is high, thermal expansivity is little, wear resisting property is good; Add fire-resistant, wear-resisting, the erosion resistance of friction materials, stabilize the coefficient of thermal expansion in brake facing use procedure.
Cellulosic fibre itself has natural wetting ability and the feature of high-strength and high-modulus, and because of its platymiscium cell nature, merisis is unartificial is made, and makes surface have very strong bond stress.Anti tear effect can be played in brake facing system.
The present invention has light specific gravity, wear resistance is strong, good toughness, the advantages such as noise is low, long service life.The effect that the heat sink material such as glass wool, bronze powder effectively can play heat insulation and dissipation is added in its formula.And its heat fading is low, restorability is good, and under mountain road and high temperature, fast state, braking ability does not reduce.Work as automobile, after particularly Der Gelaendewagen adopts brake facing of the present invention, braking automobile is sensitive, noiselessness, and comfort property is good, does not repeatedly occur braking atrophy phenomenon after braking.Life-time service, brake drum or the essentially no damage of retarding disc, fall grey phenomenon.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1: by weight by chromite powder 3 parts, ground barium sulfate (600 order) 7 parts, calcined petroleum coke 4 parts, crystalline flake graphite 3 parts, 13 parts, boric acid modified resol, sepiolite fibre 5 parts, ceramic fiber 4 parts, antimony sulfide 3 parts, bronze powder 7 parts, glass wool 3 parts, zircon 2 parts, , phosphorus sheet potassium titanate 7 parts, vermiculite power (20 ~ 40 order) 8 parts, 1.5 parts, carbon fiber, aramid pulp 5 parts, wood pulp cellulose 2.5 parts, viscose fiber 5 parts, 7 parts, silicon carbide, cellulosic fibre 10 parts puts into high speed dispersor, stir into Powdered rear taking-up, put into shaping dies press forming, then with after steel backing compound vulcanizing press is put in high temperature 270 DEG C, pressure is under the condition of 18MPa, keep 15 minutes, then brake facing is taken out, except deburring be finished product.
Embodiment 2: by weight by chromite powder 7 parts, ground barium sulfate (600 order) 6 parts, calcined petroleum coke 5 parts, crystalline flake graphite 4 parts, 10 parts, boric acid modified resol, sepiolite fibre 6 parts, ceramic fiber 5 parts, antimony sulfide 1.5 parts, bronze powder 4.5 parts, glass wool 4 parts, zircon 2.5 parts, phosphorus sheet potassium titanate 8 parts, vermiculite power (20 ~ 40 order) 9.5 parts, 2 parts, carbon fiber, aramid pulp 6 parts, wood pulp cellulose 1 part, viscose fiber 3 parts, 8 parts, silicon carbide, cellulosic fibre 7 parts puts into high speed dispersor, stir into Powdered rear taking-up, put into shaping dies press forming, then with after steel backing compound vulcanizing press is put in high temperature 270 DEG C, pressure is under the condition of 18MPa, keep 15 minutes, then brake facing is taken out, except deburring be finished product.
Embodiment 3: by weight by chromite powder 5 parts, ground barium sulfate (600 order) 4 parts, calcined petroleum coke 6.5 parts, crystalline flake graphite 4.5 parts, 12 parts, boric acid modified resol, sepiolite fibre 5 parts, ceramic fiber 7 parts, antimony sulfide 2 parts, bronze powder 6 parts, glass wool 4 parts, zircon 1.5 parts, phosphorus sheet potassium titanate 7.3 parts, vermiculite power (20 ~ 40 order) 9 parts, 1.7 parts, carbon fiber, aramid pulp 5 parts, wood pulp cellulose 2 parts, viscose fiber 3 parts, 6 parts, silicon carbide, cellulosic fibre 8 parts puts into high speed dispersor, stir into Powdered rear taking-up, put into shaping dies press forming, then with after steel backing compound vulcanizing press is put in high temperature 270 DEG C, pressure is under the condition of 18MPa, keep 15 minutes, then brake facing is taken out, except deburring be finished product.
Embodiment 4: by weight by chromite powder 6 parts, ground barium sulfate (600 order) 5 parts, calcined petroleum coke 6 parts, crystalline flake graphite 6 parts, 11 parts, boric acid modified resol, sepiolite fibre 3 parts, ceramic fiber 6 parts, antimony sulfide 2 parts, bronze powder 5 parts, glass wool 3 parts, zircon 1.5 parts, phosphorus sheet potassium titanate 7.5 parts, vermiculite power (20 ~ 40 order) 11 parts, 1 part, carbon fiber, aramid pulp 4 parts, wood pulp cellulose 1 part, viscose fiber 3 parts, 8 parts, silicon carbide, cellulosic fibre 10 parts puts into high speed dispersor, stir into Powdered rear taking-up, put into shaping dies press forming, then with after steel backing compound vulcanizing press is put in high temperature 270 DEG C, pressure is under the condition of 18MPa, keep 15 minutes, then brake facing is taken out, except deburring be finished product.
Embodiment 5: by weight by chromite powder 7 parts, ground barium sulfate (600 order) 7.5 parts, calcined petroleum coke 7 parts, crystalline flake graphite 3.5 parts, 14 parts, boric acid modified resol, sepiolite fibre 4 parts, ceramic fiber 6 parts, antimony sulfide 2.5 parts, bronze powder 5 parts, glass wool 3 parts, zircon 1 part, phosphorus sheet potassium titanate 8 parts, vermiculite power (20 ~ 40 order) 8 parts, 1.5 parts, carbon fiber, aramid pulp 4 parts, wood pulp cellulose 1 part, viscose fiber 3 parts, 8 parts, silicon carbide, cellulosic fibre 6 parts puts into high speed dispersor, stir into Powdered rear taking-up, put into shaping dies press forming, then with after steel backing compound vulcanizing press is put in high temperature 270 DEG C, pressure is under the condition of 18MPa, keep 15 minutes, then brake facing is taken out, except deburring be finished product.
In order to verify effect of the present invention, by Chinese GB5763 ~ 1998 national standard, what the Organic fiber friction material composition for brake facing embodiment 4 prepared and North America company produced tests respectively without metal brake block on constant speed tester for friction between, and its result is as follows:
The friction and wear behavior comparative test result of two kinds of brake facings:
The result shows: compare same kind of products at abroad, adopt the present invention fill a prescription preparation the Organic fiber friction material composition for brake facing, there is better friction and wear behavior and high temperature resistance heat fading performance.
Be arranged on by brake facing of the present invention on Land Rover Der Gelaendewagen, repeatedly show after braking: the present invention brakes sensitive, braking is steady, simultaneously noiselessness, comfortable foot feeling.
Claims (2)
1. one for the Organic fiber friction material composition of brake facing, it is characterized in that said composition is made up by weight of following component: chromite 3 ~ 7 parts, 4 ~ 8 parts, barite, calcined petroleum coke 5.5 ~ 7 parts, crystalline flake graphite 3 ~ 6 parts, 10 ~ 14 parts, boric acid modified resol, sepiolite fibre 3 ~ 6 parts, ceramic fiber 4 ~ 7 parts, antimony sulfide 1.5 ~ 3 parts, bronze powder 4 ~ 7 parts, glass wool 3 ~ 5 parts, zircon 1 ~ 2.5 part, phosphorus sheet potassium titanate 6 ~ 10 parts, vermiculite power 8 ~ 11 parts, 1 ~ 2.5 part, carbon fiber, aramid pulp 4 ~ 6 parts, wood pulp cellulose 1 ~ 2.5 part, viscose fiber 3 ~ 6 parts, 6 ~ 9 parts, silicon carbide, cellulosic fibre 6 ~ 10 parts.
2. the Organic fiber friction material composition for brake facing according to claim 1, is characterized in that described composition chromite powder 5 parts, ground barium sulfate 4 parts, calcined petroleum coke 6.5 parts, crystalline flake graphite 4.5 parts, 12 parts, boric acid modified resol, sepiolite fibre 5 parts, ceramic fiber 7 parts, antimony sulfide 2 parts, bronze powder 6 parts, glass wool 4 parts, zircon 1.5 parts, phosphorus sheet potassium titanate 7.3 parts, vermiculite power (20 ~ 40 order) 9 parts, 1.7 parts, carbon fiber, aramid pulp 5 parts, wood pulp cellulose 2 parts, viscose fiber 3 parts, 6 parts, silicon carbide, cellulosic fibre 8 parts.
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| CN201210427340.3A CN103059805B (en) | 2012-10-31 | 2012-10-31 | Organic fiber friction material composition for brake pad |
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| CN201210427340.3A CN103059805B (en) | 2012-10-31 | 2012-10-31 | Organic fiber friction material composition for brake pad |
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| CN110284083B (en) * | 2019-06-21 | 2020-12-25 | 山东金麒麟股份有限公司 | Friction material, brake pad comprising friction material and preparation method of brake pad |
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| CN117307640B (en) * | 2023-09-27 | 2024-03-12 | 东营宝丰汽车配件有限公司 | Friction material for carbon ceramic brake disc and preparation method thereof |
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